All names: Gaia EDR3 2494849302842058624, GALEX J021154.5-004606, SDSS J021154.61-004607.2, J0211-0046, Gaia DR3 2494849302842058624, Gaia DR2 2494849302842058624
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Coutu et al. 2019 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 11 54.64 (0.3) | 02 11 54.62 | 02 11 54.61 | 02 11 54.64 (0.5) | 02 11 54.61 (0.3) | 02 11 54.61 | ||||
| Declination | -00 46 07.51 (0.3) | -00 46 07.25 | -00 46 07.21 | -00 46 07.50 (0.5) | -00 46 07.21 (0.3) | -00 46 07.22 | ||||
| Spectral type | DZA | DZA | DZA: | DZ | ||||||
| Effective temperature | [K] | 10701.0 (454) | 11009.0 (339) | |||||||
| log(g) | [cgs] | 7.79 | 9.17 (0.7) | |||||||
| Mass | [M☉] | 0.4649 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.3960 | ||||||||
| log(H/He) | -5.363 (0.6) | |||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | -8.9105 (0.5) | |||||||||
| log(Ca/H) | ||||||||||
| log(N/He) | ||||||||||
| log(O/He) | ||||||||||
| log(Na/He) | ||||||||||
| log(Mg/He) | ||||||||||
| log(Al/He) | ||||||||||
| log(Si/He) | ||||||||||
| log(P/He) | ||||||||||
| log(S/He) | ||||||||||
| log(Cl/He) | ||||||||||
| log(Sc/He) | ||||||||||
| log(Ti/He) | ||||||||||
| log(V/He) | ||||||||||
| log(Cr/He) | ||||||||||
| log(Mn/He) | ||||||||||
| log(Fe/He) | ||||||||||
| log(Co/He) | ||||||||||
| log(Ni/He) | ||||||||||
| log(Cu/He) | ||||||||||
| log(Zn/He) | ||||||||||
| log(Ga/He) | ||||||||||
| log(Ge/He) | ||||||||||
| log(Sr/He) | ||||||||||
| Parallax | [mas] | 3.03 (0.4) | 2.82 | 2.82 (0.6) | 3.03 (0.4) | |||||
| Distance | [pc] | 329.93 (41) | 354.53 (72) | 354.53 (72) | 329.94 (41) | |||||
| Composition | He | |||||||||
| Proper motion (right ascension) | [mas/yr] | 29.40219901 (0.4) | 29.50637665 (1) | 29.402 (0.4) | ||||||
| Proper motion (declination) | [mas/yr] | -18.96334332 (0.4) | -19.05904096 (0.9) | -18.963 (0.4) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.68 (0.03) | 19.68 (0.03) | 19.67 (0.04) | |||||||
| g magnitude | 19.54 (0.01) | 19.54 (0.01) | 19.57 (0.02) | |||||||
| r magnitude | 19.69 (0.02) | 19.69 (0.02) | 19.72 (0.02) | |||||||
| i magnitude | 19.84 (0.02) | 19.84 (0.02) | 19.85 (0.02) | |||||||
| z magnitude | 19.94 (0.08) | 19.94 (0.08) | 19.91 (0.08) | |||||||
| G magnitude | 19.60 (0.07) | 19.65 | 19.60 (0.005) | |||||||
| BP magnitude | 19.72 (0.07) | 19.82 | ||||||||
| RP magnitude | 19.63 (0.09) | 19.43 | ||||||||
| Pan g magnitude | 19.56 (0.01) | |||||||||
| Pan r magnitude | 19.68 (0.02) | |||||||||
| Pan i magnitude | 19.87 (0.01) | |||||||||
| Pan z magnitude | 19.97 (0.02) | |||||||||
| Pan y magnitude | 20.15 (0.2) | |||||||||
| E(B-V) | 0.027 | |||||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.